Question 2: Given that the main memory access time is 1200 ns and cache access time is 100 ns. The average memory access time is not to exceed 120 ns. What is the hit ratio for the cache must be at least?

Question 2: Given that the main memory access time is 1200 ns and cache access time is 100 ns. The average memory access time is not to exceed 120 ns. What is the hit ratio for the cache must be at least?

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter6: System Integration And Performance

Section: Chapter Questions

Problem 22VE

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Fundamentals of Input and Output Performance

The I/O subsystem is a component of computer system design that uses buses to assist communication between the Central Processing Unit, Computer Memory/Storage, and Input and Output Devices (that is known as peripheral devices). The I/O subsystem includes disc controllers, tape drives, discs, system buses, and other devices. The I/O database application reads and writes drives using the operating system windows I/O.

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